Tools & Wizards About Us

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

stanfordchildrens.org

Stanford Medicine Children's Health

Page Load Speed

3 sec in total

First Response

173 ms

Resources Loaded

1.5 sec

Page Rendered

1.4 sec

About Website

Welcome to stanfordchildrens.org homepage info - get ready to check Stanford Children S best content for United States right away, or after learning these important things about stanfordchildrens.org

Stanford Medicine Children’s Health is the only network in the area—and one of the few in the country—exclusively dedicated to pediatric and obstetric care.

Visit stanfordchildrens.org

Key Findings

We analyzed Stanfordchildrens.org page load time and found that the first response time was 173 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

stanfordchildrens.org performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

stanfordchildrens.org

173 ms

stanfordchildrens.org

341 ms

www.stanfordchildrens.org

52 ms

clientlib-base.min.ACSHASH01355b7daf90dfe0ff25286482056320.css

15 ms

launch-06970b46d4e2.min.js

39 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 72% of them (36 requests) were addressed to the original Stanfordchildrens.org, 16% (8 requests) were made to Images.stanfordchildrens.org and 8% (4 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (794 ms) relates to the external source Images.stanfordchildrens.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 330.4 kB (35%)

Content Size

931.3 kB

After Optimization

600.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Stanfordchildrens.org main page is 931.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 435.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 129.3 kB

  • Original 154.8 kB
  • After minification 130.8 kB
  • After compression 25.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 24.0 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 129.3 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 2.5 kB

  • Original 435.5 kB
  • After minification 433.0 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Stanford Children S images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 198.6 kB

  • Original 340.9 kB
  • After minification 340.9 kB
  • After compression 142.4 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 198.6 kB or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (41%)

Requests Now

44

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stanford Children S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

stanfordchildrens.org accessibility score

93

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Best Practices

stanfordchildrens.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

stanfordchildrens.org SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stanfordchildrens.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Stanfordchildrens.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Stanford Children S. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: